The wedding custom is different even at different village near to each other in China. Of course, they are similar. But it is very often that people are confused in a wedding a few miles away from home.

In English, uncle means the brother of your father or mother. But in Chinese, brothers of your father or mother are made very clear. If a person is an elder brother of your father, you should call him Bo Fu or Da Ye. If a person is a younger brother of your father, you should call him Shu Shu.

Grandfather means father of mother or father. In Chinese father of your father is called Ye Ye. Father of your mother is called Lao Ye or Wai Gong.